284215480

素因数分解:

$2^3\times 5^1\times {\mathrm{857}}^1\times {\mathrm{8291}}^1$

素因数の和:9159

約数の個数: 32

約数和(自身を含む): 640308240

約数和(自身を除く): 356092760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 857, 1714, 3428, 4285, 6856, 8291, 8570, 16582, 17140, 33164, 34280, 41455, 66328, 82910, 165820, 331640, 7105387, 14210774, 28421548, 35526935, 56843096, 71053870, 142107740, 284215480]

約数ペア:

[(1, 284215480), (2, 142107740), (4, 71053870), (5, 56843096), (8, 35526935), (10, 28421548), (20, 14210774), (40, 7105387), (857, 331640), (1714, 165820), (3428, 82910), (4285, 66328), (6856, 41455), (8291, 34280), (8570, 33164), (16582, 17140)]